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Description and distribution of Helminth parasites of White-bellied Grass mice (Akodon albiventer) and Andean Vesper mice (Calomys lepidus) of the altiplano region of Bolivia

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dc.contributor.authorGriffin, Bretton Skyler, author
dc.contributor.authorMoore, Janice, advisor
dc.contributor.authorBlack, William, committee member
dc.contributor.authorRaines, Karen, committee member
dc.date.accessioned2017-01-04T22:59:18Z
dc.date.available2018-12-30T06:30:24Z
dc.date.issued2016
dc.description.abstractAkodon and Calomys genera are among the most speciose of South American rodents. Within Bolivia, these genera inhabit multiple environments of varied geomorphology, elevation, vegetation and climates, including the Bolivian altiplano, which consists of complex ecosystems at elevations of 3,000 meters and above. A number of species like the White-Bellied Grass Mouse (Akodon albiventer) and Andean Vesper Mouse (Calomys lepidus) primarily reside at the high elevations of the altiplano. Because of their habitat location, relatively few studies have addressed A. albiventer and C. lepidus parasites, specifically their helminth parasites. To gain further knowledge about the parasite fauna infecting these rodents, a biodiversity survey was conducted. This biodiversity survey is the first that describes and reports the distribution of helminth parasites occurring in A. albiventer and C. lepidus collected from the altiplano region of Bolivia. Gardner and colleagues collected A. albiventer and C. lepidus hosts during expeditions in 1984-1993 from five departments in Bolivia: Oruro, Chuquisaca, Tarija, La Paz, and Cochabamba. From these collections, 27 A. albiventer and 11 C. lepidus were randomly chosen for parasite analysis, and yielded a total of 702 helminth parasite specimens, representing five helminth taxa. Oxyurids were the most common, followed by protospirurids, rictulariids, trichostrongylids, and cestodes. These are the first parasite records from A. albiventer and C. lepidus within the altiplano region of Bolivia. Many of the oxyurid parasites recovered from A. albiventer and C. lepidus were unidentifiable to species due to the overlap of morphological measurements and features. In order to evaluate the accuracy of manual identification techniques through the examination of morphological relationships between species, statistical analyses were performed on male and female oxyurid specimens (Syphacia spp.) separated into three species groups. The analyses indicated that two species groups from the host, A. albiventer, shared more morphological measurement similarities than the species group from C. lepidus. Though further analysis is necessary, it is possible that the species group derived from C. lepidus is a new Syphacia species.
dc.format.mediumborn digital
dc.format.mediummasters theses
dc.identifierGriffin_colostate_0053N_13963.pdf
dc.identifier.urihttp://hdl.handle.net/10217/178919
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartof2000-2019
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectCalomys lepidus
dc.subjectAkodon albiventer
dc.subjectHelminth
dc.subjectBolivia
dc.subjectAltiplano
dc.titleDescription and distribution of Helminth parasites of White-bellied Grass mice (Akodon albiventer) and Andean Vesper mice (Calomys lepidus) of the altiplano region of Bolivia
dc.typeText
dcterms.embargo.expires2018-12-30
dcterms.embargo.terms2018-12-30
dcterms.rights.dplaThis Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
thesis.degree.disciplineBiology
thesis.degree.grantorColorado State University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science (M.S.)

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